Mystic Lake Weather Forecast

    • 55
    • 84

    Rain Showers

    • 49
    • 80

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

    • 57
    • 82

    Chance Rain Showers

    • 52
    • 79

    Chance Rain Showers

    • 50
    • 77

    Partly Sunny

Today 18 Aug Clare

Mostly sunny in the Morning, then partly sunny with a 20 percent chance of Showers and Thunderstorms in the afternoon. Highs in the lower 80s. Southwest Winds around 10 Mph becoming west in the afternoon. Gusts up to 25 Mph.

Tonight 18 Aug Clare

Rain Showers and a chance of Thunderstorms. Lows in the mid 50s. West Winds 5 to 10 Mph with Gusts to around 25 Mph in the evening becoming light. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mystic Lake Temperature Statistics

August Temperature

Mount Pleasant, Mount Pleasant Municipal Airport (23 miles)

  • Lowest 3 August, 2026

    55.8 °F

  • Average August

    72 °F

  • Highest 7 August, 2026

    86.9 °F

Climate (2021–2026)

Mount Pleasant, Mount Pleasant Municipal Airport (23 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    49 °F

  • Average High 2021–2026

    58.5 °F
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